It is an upgraded version of QUAD405.

Parameters:

Power supply voltage range: DC positive and negative DC+- (25V~55V), recommended voltage: DC+-45V

Output power 125W 8R, 250W 4R

Frequency response APSYS 2 test data: 20HZ-0DB, 10HZ-0.3DB, 10K HZ-0.1DB, 20KHZ -0.3DB

SR 25V/US oscilloscope measurement.

THD+N<0.01%

PCB+angle aluminum size 90MM X 100MM.

The weight of one board with angle aluminum mono is 160 grams.

Magnification factor (gain)=51.5 times

Output stage static current=0 MA

Mono static current~approximately 100MA

Recommended heat sink for each channel is greater than 500 grams (under voltage+-45V)

Adopting the original operational amplifier TLC271 for high-performance OP.

The output transistor adopts the original Huawei Semiconductor 2SD718 power transistor (140V, 10A, 100W) with 6 per channel.